:root {
    --arkaplan: #0a0a0a;
    --metin: #f0f0f0;
    --vurgu: #ffffff;
    --vurgu-acik: #cccccc;
    --kenarlik: rgba(255, 255, 255, 0.08);
}

.hakkinda-bg {
    background: url('images/tarihce/7.jpg') center center / cover no-repeat;
}

.bolum-etiket {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.bolum-baslik {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hakkinda-misyon {
    padding: 100px 0;
    background: var(--arkaplan);
}

.hakkinda-kapsayici {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.misyon-icerik {
    padding-right: 20px;
}

.misyon-aciklama {
    font-size: 1.1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.misyon-gorsel {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--kenarlik);
    transition: all 0.4s ease;
}

.misyon-gorsel:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
}

.misyon-gorsel img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.misyon-gorsel:hover img {
    transform: scale(1.05);
}

.hakkinda-degerler {
    padding: 100px 40px;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
}

.degerler-baslik {
    text-align: center;
    margin-bottom: 60px;
}

.degerler-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.deger-card {
    background: #111;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
}

.deger-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%, transparent 50%, rgba(255,255,255,0.05) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.deger-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 255, 255, 0.03);
}

.deger-gorsel {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.deger-gorsel::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(17, 17, 17, 1) 100%);
    pointer-events: none;
}

.deger-gorsel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.4s ease;
    filter: brightness(0.9);
}

.deger-card:hover .deger-gorsel img {
    transform: scale(1.15);
    filter: brightness(1);
}

.deger-icerik {
    padding: 24px 28px 28px;
    position: relative;
}

.deger-numara {
    position: absolute;
    top: -50px;
    right: 20px;
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
    transition: color 0.4s ease;
}

.deger-card:hover .deger-numara {
    color: rgba(255, 255, 255, 1);
}

.deger-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 10px;
    margin-top: 0;
    position: relative;
    transition: color 0.3s ease;
}

.deger-card:hover h3 {
    color: #fff;
}

.deger-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.5);
    position: relative;
    margin: 0;
}

.hakkinda-istatistikler {
    padding: 80px 40px;
    background: var(--arkaplan);
}

.istatistik-kapsayici {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.istatistik-oge {
    text-align: center;
    padding: 0 30px;
}

.istatistik-sayi {
    display: block;
    font-size: 3.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}

.istatistik-etiket {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.istatistik-ayirici {
    width: 1px;
    height: 60px;
    background: rgba(255, 255, 255, 0.1);
}

.hakkinda-liderlik {
    padding: 120px 40px;
    background: linear-gradient(180deg, #111 0%, #0a0a0a 100%);
    text-align: center;
}

.liderlik-icerik {
    max-width: 800px;
    margin: 0 auto;
}

.liderlik-alinti {
    font-size: 1.8rem;
    font-style: italic;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin: 40px 0 30px;
    position: relative;
    padding: 0 40px;
}

.liderlik-alinti::before,
.liderlik-alinti::after {
    content: '"';
    position: absolute;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
    font-family: Georgia, serif;
    line-height: 1;
}

.liderlik-alinti::before {
    top: -10px;
    left: 0;
}

.liderlik-alinti::after {
    bottom: -30px;
    right: 0;
}

.liderlik-kaynak {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 1px;
}

.hakkinda-galeri-bolum {
    padding: 100px 40px;
    background: #0a0a0a;
}

.galeri-baslik {
    text-align: center;
    margin-bottom: 60px;
}

.galeri-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 250px);
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.galeri-oge {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid var(--kenarlik);
    transition: all 0.4s ease;
    display: block;
    text-decoration: none;
    color: inherit;
}

.galeri-oge:hover {
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

.galeri-oge img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.galeri-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.galeri-overlay span {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.galeri-oge:hover img {
    transform: scale(1.1);
}

.galeri-oge:hover .galeri-overlay {
    opacity: 1;
    transform: translateY(0);
}

.galeri-buyuk {
    grid-column: span 2;
    grid-row: span 2;
}

.galeri-genis {
    grid-column: span 2;
}

.eylem-bolum {
    padding: 100px 40px;
    background: linear-gradient(180deg, #0a0a0a 0%, #111 100%);
    text-align: center;
}

.eylem-icerik {
    max-width: 600px;
    margin: 0 auto;
}

.eylem-icerik h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.eylem-icerik p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2rem;
}

.eylem-butonlar {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.eylem-buton {
    padding: 16px 40px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.eylem-birincil {
    background: #fff;
    color: #0a0a0a;
}

.eylem-birincil:hover {
    background: #ccc;
    color: #0a0a0a;
}

.eylem-ikincil {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.eylem-ikincil:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.05);
}